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Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:1996)
Translate name
STANDARD published on 1.8.1998
Designation standards: ÖNORM EN ISO 389-7
Note: WITHDRAWN
Publication date standards: 1.8.1998
SKU: NS-777981
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM
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